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Re: ppc64 qemu test failure since commit f9aa67142 ("powerpc/64s: Consolidate Alignment 0x600 interrupt")

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Guenter Roeck <linux@roeck-us.net> writes:

> Nicholas,
>
> some of my qemu tests for ppc64 started failing on mainline (and -next).
> You can find a test log at
> http://kerneltests.org/builders/qemu-ppc64-master/builds/580/steps/qemubuildcommand/logs/stdio
>
> The scripts to run the test are available at
> https://github.com/groeck/linux-build-test/tree/master/rootfs/ppc64
>
> Bisect points to commit f9aa67142ef26 ("powerpc/64s: Consolidate Alignment 0x600
> interrupt"). Bisect log is attached.
>
> Since I don't have the means to run the code on a real system, I have no idea
> if the problem is caused by qemu or by the code. It is interesting, though, that
> only the 'mac99' tests are affected.

Thanks for the report.

I do test qemu mac99 as part of my CI, and it's booting OK, so there
must be some config difference?

I'm using pmac32_defconfig plus:

CONFIG_LOCALVERSION_AUTO=y
CONFIG_SERIAL_PMACZILOG=y
CONFIG_SERIAL_PMACZILOG_TTYS=n
CONFIG_SERIAL_PMACZILOG_CONSOLE=y
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y

And running with:

$ qemu-system-ppc -nographic -vga none -M mac99 -m 1G -kernel vmlinux -initrd $HOME/static/ppc32-initrd.gz -append "console=ttyPZ0 init=/bin/sh"

cheers

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Thread

ppc64 qemu test failure since commit f9aa67142 ("powerpc/64s:  Consolidate Alignment 0x600 interrupt") Guenter Roeck <linux@roeck-us.net> - 2016-10-09 17:30 +0200
  Re: ppc64 qemu test failure since commit f9aa67142 ("powerpc/64s:  Consolidate Alignment 0x600 interrupt") Nicholas Piggin <npiggin@gmail.com> - 2016-10-10 08:00 +0200
    Re: ppc64 qemu test failure since commit f9aa67142 ("powerpc/64s:  Consolidate Alignment 0x600 interrupt") Guenter Roeck <linux@roeck-us.net> - 2016-10-10 16:20 +0200
      Re: ppc64 qemu test failure since commit f9aa67142 ("powerpc/64s:  Consolidate Alignment 0x600 interrupt") Nicholas Piggin <npiggin@gmail.com> - 2016-10-11 09:50 +0200
        Re: ppc64 qemu test failure since commit f9aa67142 ("powerpc/64s:  Consolidate Alignment 0x600 interrupt") Guenter Roeck <linux@roeck-us.net> - 2016-10-11 16:50 +0200
  Re: ppc64 qemu test failure since commit f9aa67142 ("powerpc/64s: Consolidate Alignment 0x600 interrupt") Michael Ellerman <mpe@ellerman.id.au> - 2016-10-10 08:10 +0200
    Re: ppc64 qemu test failure since commit f9aa67142 ("powerpc/64s:  Consolidate Alignment 0x600 interrupt") Guenter Roeck <linux@roeck-us.net> - 2016-10-10 14:50 +0200

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